package cgl.narada.transport.rtp;
/**
 * Software License, Version 1.0
 *
 * Copyright 2003 The Trustees of Indiana University.  All rights reserved.
 *
 *Redistribution and use in source and binary forms, with or without
 *modification, are permitted provided that the following conditions are met:
 *
 *1) All redistributions of source code must retain the above copyright notice,
 * the list of authors in the original source code, this list of conditions and
 * the disclaimer listed in this license;
 *2) All redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the disclaimer listed in this license in
 * the documentation and/or other materials provided with the distribution;
 *3) Any documentation included with all redistributions must include the
 * following acknowledgement:
 *
 *"This product includes software developed by the Community Grids Lab. For
 * further information contact the Community Grids Lab at
 * http://communitygrids.iu.edu/."
 *
 * Alternatively, this acknowledgement may appear in the software itself, and
 * wherever such third-party acknowledgments normally appear.
 *
 *4) The name Indiana University or Community Grids Lab or GlobalMMCS,
 * shall not be used to endorse or promote products derived from this software
 * without prior written permission from Indiana University.  For written
 * permission, please contact the Advanced Research and Technology Institute
 * ("ARTI") at 351 West 10th Street, Indianapolis, Indiana 46202.
 *5) Products derived from this software may not be called GlobalMMCS,
 * nor may Indiana University or Community Grids Lab or GlobalMMCS appear
 * in their name, without prior written permission of ARTI.
 *
 * Indiana University provides no reassurances that the source code provided
 * does not infringe the patent or any other intellectual property rights of
 * any other entity.  Indiana University disclaims any liability to any
 * recipient for claims brought by any other entity based on infringement of
 * intellectual property rights or otherwise.
 *
 *LICENSEE UNDERSTANDS THAT SOFTWARE IS PROVIDED "AS IS" FOR WHICH NO
 *WARRANTIES AS TO CAPABILITIES OR ACCURACY ARE MADE. INDIANA UNIVERSITY GIVES
 *NO WARRANTIES AND MAKES NO REPRESENTATION THAT SOFTWARE IS FREE OF
 *INFRINGEMENT OF THIRD PARTY PATENT, COPYRIGHT, OR OTHER PROPRIETARY RIGHTS.
 *INDIANA UNIVERSITY MAKES NO WARRANTIES THAT SOFTWARE IS FREE FROM "BUGS",
 *"VIRUSES", "TROJAN HORSES", "TRAP DOORS", "WORMS", OR OTHER HARMFUL CODE.
 *LICENSEE ASSUMES THE ENTIRE RISK AS TO THE PERFORMANCE OF SOFTWARE AND/OR
 *ASSOCIATED MATERIALS, AND TO THE PERFORMANCE AND VALIDITY OF INFORMATION
 *GENERATED USING SOFTWARE.
 */

/**
 * This class has information about a video stream
 * ssrc number is considered to be the key and if two
 * objects have the same ssrc number, then they are regarded as equal
 * @author Ahmet Uyar
 * @version 1.0
 */

class StreamInfo{

   private int topic;
   private int ssrc;

   public StreamInfo(int ssrc){
      this.ssrc = ssrc;
   }

   /**
    * if two objects have the same ssrc numbers, they are considered to be equal
    */
   public boolean equals(Object obj){

      if(obj instanceof StreamInfo){
         StreamInfo theOther = (StreamInfo)obj;
         if(ssrc == theOther.getSSRC()){
            return true;
         }
      }

      return false;
   }

   /**
    * set the topic number
    */
   public void setTopic(int topic){
      this.topic = topic;
   }

   /**
    * return the topic number
    */
   public int getTopic(){
      return topic;
   }

   /**
    * return the control topic number
    */
   public int getControlTopic(){
      return topic+1;
   }

   /**
    * return the ssrc number
    */
   public int getSSRC(){
      return ssrc;
   }

}
